/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.milton.zsync;

/**
 * Holds working variables used when applying deltas
 *
 * 
 */
public class MakeContext {
	final ChainingHash hashtable; 
	final long[] fileMap; 
	long fileOffset; 
	boolean rangeQueue;

	public MakeContext(ChainingHash hashtable, long[] fileMap) {
		this.hashtable = hashtable;
		this.fileMap = fileMap;
	}
	
	
	public void put(int blockIndex, long offset){
		
		fileMap[blockIndex] = offset;
	}
	
	public void delete(ChecksumPair key){
		
		hashtable.delete(key);
	}
	
	public boolean matched(int blockIndex) {
		
		return fileMap[blockIndex] > -1;
	}
	
	public void removematch(int blockIndex) {

		fileMap[blockIndex] = -1;
	}
	
	public int blockcount() {
		
		return fileMap.length;
	}
}
